Joseph Hung, John P Beilby, Matthew W Knuiman, Mark Divitini
Hung J, Beilby J P, Knuiman M W, Divitini M.
Folate and vitamin B-12 and risk of fatal cardiovascular disease: cohort study from Busselton, Western Australia
BMJ 2003; 326 :131
doi:10.1136/bmj.326.7381.131